Preparation method of tanshinone IIA sodium sulphonate small volume injection
A technology of tanshinone and sodium sulfonate, applied in the directions of pharmaceutical formulations, cardiovascular system diseases, drug combinations, etc., can solve the problems of instability of tanshinone IIA sodium sulfonate, poor product quality stability, high unqualified rate of clarity, and achieve The effect of improving collateral circulation and local blood supply, increasing stability and increasing coronary blood flow
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Embodiment 1
[0021] A) Take fresh water for injection with a preparation amount of 25% at 80°C, add tanshinone IIA sodium sulfonate in the prescription in the dark, stir and dissolve thoroughly, place it at room temperature, seal it in shading, refrigerate at 8°C for 12 hours, and use tanshinone IIA sodium sulfonate with a molecular weight cut-off of 10,000 Ultrafiltration with ultrafiltration membrane to obtain ultrafiltrate I.
[0022] B) Take 10% fresh water for injection at 80°C, add edetate disodium in the prescription to dissolve, adjust the pH value to 3.8, place it at room temperature, refrigerate at 6°C for 12 hours, and use an ultrafiltration membrane with a molecular weight cut-off of 10,000 Ultrafiltration to obtain ultrafiltrate II.
[0023] C) Mix the above-mentioned ultrafiltrates I and II evenly, constant volume, and adjust the pH value to 3.8. After the intermediate product is qualified, the liquid is sterilized and filtered by the terminal, filled with nitrogen under dark...
Embodiment 2
[0025] A) Take fresh water for injection with a preparation volume of 15% at 60°C, add Tanshinone IIA sodium sulfonate in the prescription away from light, fully stir and dissolve, place it at room temperature, seal it in shading, refrigerate at 4°C for 24 hours, and use water with a molecular weight cut-off of 10,000 Ultrafiltration with ultrafiltration membrane to obtain ultrafiltrate I.
[0026] B) Take 20% fresh water for injection at 60°C, add edetate disodium in the prescription to dissolve, adjust the pH value to 5.0, place it at room temperature, refrigerate at 4°C for 24 hours, and use an ultrafiltration membrane with a molecular weight cut-off of 10,000 Ultrafiltration to obtain ultrafiltrate II.
[0027] C) Mix the above-mentioned ultrafiltrates I and II evenly, constant volume, and adjust the pH value to 5.0. After the intermediate product is qualified, the liquid is sterilized and filtered at the terminal, filled with nitrogen under dark conditions, sterilized, an...
Embodiment 3
[0029] A) Take fresh water for injection with a preparation volume of 10% at 70°C, add Tanshinone IIA sodium sulfonate in the prescription in the dark, stir and dissolve thoroughly, place it at room temperature, seal it in shading, refrigerate at 6°C for 36 hours, and use tanshinone IIA sodium sulfonate with a molecular weight cut-off of 10,000 Ultrafiltration with ultrafiltration membrane to obtain ultrafiltrate I.
[0030] B) Take 30% fresh water for injection at 70°C, add edetate disodium in the prescription to dissolve, adjust the pH value to 4.5, place it at room temperature, refrigerate at 10°C for 36 hours, and use an ultrafiltration membrane with a molecular weight cut-off of 10,000 Ultrafiltration to obtain ultrafiltrate II.
[0031] C) Mix the above-mentioned ultrafiltrates I and II evenly, constant volume, and adjust the pH value to 4.5. After the intermediate product is qualified, the liquid is sterilized and filtered by the terminal, filled with nitrogen under dar...
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